NAJWA RAHMADINI; TIURMA SARI HARAHAP; GALIH SUPRAJA. Government Expenditure Budget Efficiency Through the Implementation of the E-Procurement System at the Medan City LPSE. International Journal of Economic Research and Financial Accounting (IJERFA), [S. l.], v. 4, n. 4, 2026. DOI: 10.55227/ijerfa.v4i4.459. Disponível em: https://ijerfa.afdifaljournal.com/index.php/ijerfa/article/view/459. Acesso em: 2 jul. 2026.